Fixed growing attribute in MergingNioMemoryBuffer

git-svn-id: https://svn.apache.org/repos/asf/directmemory/trunk@1402296 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/directmemory-cache/src/main/java/org/apache/directmemory/memory/allocator/MergingByteBufferAllocatorImpl.java b/directmemory-cache/src/main/java/org/apache/directmemory/memory/allocator/MergingByteBufferAllocatorImpl.java
index 1770ce5..98d4b9b 100644
--- a/directmemory-cache/src/main/java/org/apache/directmemory/memory/allocator/MergingByteBufferAllocatorImpl.java
+++ b/directmemory-cache/src/main/java/org/apache/directmemory/memory/allocator/MergingByteBufferAllocatorImpl.java
@@ -383,7 +383,7 @@
 
         @Override
         public boolean growing() {
-            return true;
+            return false;
         }
 
         @Override